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EnglishThe two-phase, air-water flow pattern in a DynaWhirlpool type centrifugal separator is investigated using time-dependent, three-dimensional numerical simulation. The air-water interface is captured by the Volume-Of-Fluid approach, while the unresolved turbulence fluctuations are modeled via a second-order differential-stress turbulence model. The methodology is validated with available laser-Doppler data acquired on a similar separation device. The velocity field within the cyclone is thoroughly characterized for a single operating condition, revealing the presence of a stable air core that flows axially faster than the surrounding water.
| Titolo: | Two-phase flow field in a cylindrical hydrocyclone with tangential discharge | |
| Autori: | ||
| Data di pubblicazione: | 2017 | |
| Stato di pubblicazione: | Pubblicato | |
| Rivista: | ||
| Abstract: | The two-phase, air-water flow pattern in a DynaWhirlpool type centrifugal separator is investigated using time-dependent, three-dimensional numerical simulation. The air-water interface is captured by the Volume-Of-Fluid approach, while the unresolved turbulence fluctuations are modeled via a second-order differential-stress turbulence model. The methodology is validated with available laser-Doppler data acquired on a similar separation device. The velocity field within the cyclone is thoroughly characterized for a single operating condition, revealing the presence of a stable air core that flows axially faster than the surrounding water. | |
| Handle: | http://hdl.handle.net/11368/2894121 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1615/InterJFluidMechRes.2017016140 | |
| URL: | http://www.dl.begellhouse.com/journals/71cb29ca5b40f8f8,340d13576272503a,5d3ac9491c889678.html | |
| Appare nelle tipologie: | 1.1 Articolo in Rivista |
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http://hdl.handle.net/11368/2894121
